Effects of environment on neutral hydrogen distribution for disk galaxies in the Virgo cluster area.

April 1983 • 1983ApJ...267...35G

Authors • Giovanardi, C. • Helou, G. • Salpeter, E. E. • Krumm, N.

Abstract • In connection with controversial questions related to the Hubble sequence of galaxy morphological types, it is of interest to compare the neutral hydrogen content for galaxies of the same Hubble type in a dense cluster environment with those in less dense regions. The Virgo Cluster provides a particularly interesting case because its core is only moderately dense and contains some late type spirals (as well as early types). The present investigation is concerned with an analysis of data presented by Helou et al. (1981). The data have been obtained in connection with a 21 cm neutral hydrogen survey. The main aim of the survey was to compare the neutral hydrogen properties of galaxies (of various morphological types) inside the relatively dense environment of the Virgo Cluster core with those outside.

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